Funding for this research was provided by:
Joint Research and Development between National Center for Geriatrics and Gerontology and Air Water Inc.
Received: 11 April 2022
Accepted: 5 August 2022
First Online: 2 September 2022
: All animal procedures were approved by the Animal Care and Use Committee of the National Center for Geriatrics and Gerontology, Research Institute and the Aichi Medical University (approval #30-19, #31-17).
: Not applicable.
: The author Nakashima M has financial relationship with Air Water Inc. No other author has reported a potential conflict of interest relevant to this article.